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| Query : 2006BaltA..15..167G |
2006BaltA..15..167G - Baltic Astronomy, 15, 167-174 (2006/April-0)
Subdwarf B star evolutionary systematics, conundrums and cautionary remarks.
GREEN E.M., FONTAINE G., HYDE E.A., CHARPINET S. and CHAYER P.
Abstract (from CDS):
We examine some of the systematics of different types of subdwarf B stars - short-period sdB+WD binaries, short period sdB+MS binaries, composite spectrum systems and apparently single stars - using recent results from our ongoing spectroscopic surveys and from asteroseismology, 2MASS photometry and open cluster color-magnitude diagrams. There are a wide variety of puzzles still remaining to be solved before we understand all the details of subdwarf B star formation and evolution.
Abstract Copyright: ∼
Journal keyword(s): binaries: close - stars: fundamental parameters - stars: EHB and post-EHB - stars: subdwarfs
Simbad objects: 6
| Number of rows : 6 |
| N | Identifier | Otype |
ICRS (J2000) RA |
ICRS (J2000) DEC |
Mag U | Mag B | Mag V | Mag R | Mag I | Sp type |
#ref
1850 - 2026 |
#notes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | PG 0014+068 | HS* | 00 16 54.2537878176 | +07 04 30.043437816 | 15.3 | sdO | 76 | 1 | ||||
| 2 | NGC 188 | OpC | 00 47 14.8 | +85 14 42 | ~ | 990 | 0 | |||||
| 3 | V* UY Sex | HS* | 10 50 02.8265487864 | -00 00 36.879009588 | 12.063 | 13.184 | 13.474 | 13.606 | 13.769 | sdO9VIIHe6 | 175 | 0 |
| 4 | Feige 48 | HS* | 11 47 14.4978515760 | +61 15 31.789400364 | 13.12 | 13.28 | sdB | 125 | 0 | |||
| 5 | PG 1219+534 | HS* | 12 21 29.0914917288 | +53 04 36.796062144 | 12.41 | sdB | 90 | 1 | ||||
| 6 | HS 2333+3927 | HS* | 23 35 42.5025647712 | +39 44 27.064626936 | 14.53 | sdOB | 48 | 0 |
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